. >> as mitt romney has said, imagine going to bordeaux and saying to people, "i've got a great new religion for you and, by the way, give up your wine." >> narrator: the task: to put on a suit and tie, and climb on your bicycle. >> the tried and true and well-worn method was knocking on doors. and so we knocked on thousands and thousands and thousands of doors. >> the mormon mission does teach you to deal with rejection. most people are not thrilled to see a pair of mormon missionaries on their door. >> narrator: rejection was at the heart of the experience. >> and it means cultivating your own inner spiritual life. where else are you going to get the resources and the strength to carry on this difficult work of knocking on people's doors and pleading with them to listen to you unless you feel like god is with you? >> narrator: and during that time, mitt was worried about the news from home. his father was running for president. >> we would get a hold of the herald tribuand kind of keep up on what was happening. >> narrator: the news was not good. george's campaign was in trouble. he had ch